Vehicle & Technical > Discovery
Fitting new pads
Eeyore:
Pushing the pistons in shouldn't harm the ABS pump. :?
Otherwise, every slack wheelbearing would trash the pump - something the designers caught onto a looong time ago.
If you do open the bleed nipple, be prepared to bleed the brakes fully afterwards. It really is easier to just push the fluid back to the reservoir. ;)
andyb:
--- Quote from: Eeyore on August 20, 2008, 16:22:40 ---Pushing the pistons in shouldn't harm the ABS pump. :?
--- End quote ---
This practise comes from my car mechanicing back ground. Some ABS systems have to be bleed with the ignition on so that the ABS pump is running (VW Golf being a classic example). On later Disco/RR you have to use diagnostic kit to set the pump into 'bleed mode' where by it opens all the internal valves.
I still think that it's good practise :)
@JumboBeef. The nipples are on the calipers themselves. You will find 2 on the back and 3 on the front. It will be fairly obvious which nipple does what when you get there :)
Eeyore:
Didn't know that!
However, it's not been a problem on the 'less intelligent' LR systems I've changed pads on.
Range Rover Blues:
OOOH crikey, then have either of you ever bled the RRC ABS system? it's FAR more comlicated than the Disco and you have to use the ABS pump to bleed half the front end and all the back end.
That's after you've bled the valve block.
It's an afternoon's job :-.
Eeyore:
Thankfully no, only changed the pads. Bleeding out a Disco ABS system was bad enough!
As a question, Mr Blue, what protocol do you use for getting the pistons back on yours?
........just in case I've been missing something improtant!! :oops:
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